Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $243

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Brussels departing on 10/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels

Cheap round-trip flights

Scandinavian Airlines Logo
12:09 pm - 2:30 pmIAD-BRU
20h 21m2 stops
Scandinavian Airlines Logo
10:20 am - 5:15 pmBRU-IAD
12h 55m1 stop
$480Scandinavian Airlines
Find Deal
Thu, Nov 6 - Thu, Nov 13
Scandinavian Airlines Logo
12:09 pm - 9:40 amIAD-BRU
15h 31m2 stops
Scandinavian Airlines Logo
8:30 pm - 5:15 pmBRU-IAD
26h 45m1 stop
$481Scandinavian Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
TAP AIR PORTUGAL Logo
10:35 pm - 11:00 amIAD-BRU
30h 25m1 stop
TAP AIR PORTUGAL Logo
5:55 am - 3:20 pmBRU-IAD
15h 25m1 stop
$484TAP AIR PORTUGAL
Find Deal
Sat, Oct 4 - Wed, Oct 22
Scandinavian Airlines Logo
10:05 pm - 3:20 pmIAD-BRU
11h 15m1 stop
Scandinavian Airlines Logo
10:55 am - 7:59 pmBRU-IAD
15h 04m2 stops
$490Scandinavian Airlines
Find Deal
Sun, Oct 5 - Wed, Oct 22
Scandinavian Airlines Logo
12:09 pm - 3:20 pmIAD-BRU
21h 11m2 stops
Scandinavian Airlines Logo
10:55 am - 7:59 pmBRU-IAD
15h 04m2 stops
$491Scandinavian Airlines
Find Deal
Wed, Oct 15 - Wed, Oct 22
TAP AIR PORTUGAL Logo
10:30 pm - 11:00 amIAD-BRU
30h 30m1 stop
TAP AIR PORTUGAL Logo
5:55 pm - 9:00 pmBRU-IAD
33h 05m1 stop
$512TAP AIR PORTUGAL
Find Deal
Wed, Jan 7 - Tue, Jan 13
Turkish Airlines Logo
10:15 pm - 10:10 pmIAD-BRU
18h 55m1 stop
Turkish Airlines Logo
11:35 am - 7:20 pmBRU-IAD
37h 45m1 stop
$533Turkish Airlines
Find Deal
Tue, Oct 28 - Tue, Nov 11
Multiple Airlines Logo
7:40 pm - 10:20 pmIAD-CRL
20h 40m2 stops
Multiple Airlines Logo
6:20 am - 6:30 pmCRL-IAD
18h 10m2 stops
$540Multiple Airlines
Find Deal
Sun, Nov 16 - Tue, Nov 25
Turkish Airlines Logo
1:30 pm - 10:10 pmIAD-BRU
26h 40m1 stop
Turkish Airlines Logo
3:15 pm - 7:20 pmBRU-IAD
34h 05m1 stop
$543Turkish Airlines
Find Deal
Thu, Nov 13 - Tue, Dec 2
Multiple Airlines Logo
7:40 pm - 10:20 pmIAD-CRL
20h 40m2 stops
Multiple Airlines Logo
6:20 am - 6:30 pmCRL-IAD
18h 10m2 stops
$546Multiple Airlines
Find Deal
Sun, Nov 16 - Tue, Nov 25

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Scandinavian Airlines
Nov 6
IAD12:09 pmWashington, D.C. Dulles Intl
20h 21m
2 stops
BRU2:30 pmBrussels Bruxelles-National
Nov 13
BRU10:20 amBrussels Bruxelles-National
12h 55m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$480
Find similar
Scandinavian Airlines
Nov 6
IAD12:09 pmWashington, D.C. Dulles Intl
15h 31m
2 stops
BRU9:40 amBrussels Bruxelles-National
Nov 11
BRU8:30 pmBrussels Bruxelles-National
26h 45m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$481
Find similar
Scandinavian Airlines
Oct 5
IAD10:05 pmWashington, D.C. Dulles Intl
11h 15m
1 stop
BRU3:20 pmBrussels Bruxelles-National
Oct 22
BRU10:55 amBrussels Bruxelles-National
15h 04m
2 stops
IAD7:59 pmWashington, D.C. Dulles Intl
$490
Find similar

Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Turkish Airlines
Oct 28
IAD10:15 pmWashington, D.C. Dulles Intl
18h 55m
1 stop
BRU10:10 pmBrussels Bruxelles-National
Nov 11
BRU11:35 amBrussels Bruxelles-National
37h 45m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$533
Find similar
Turkish Airlines
Sep 29
IAD1:30 pmWashington, D.C. Dulles Intl
17h 55m
1 stop
BRU1:25 pmBrussels Bruxelles-National
Oct 30
BRU6:20 pmBrussels Bruxelles-National
23h 25m
1 stop
IAD12:45 pmWashington, D.C. Dulles Intl
$534
Find similar
Turkish Airlines
Nov 13
IAD1:30 pmWashington, D.C. Dulles Intl
26h 40m
1 stop
BRU10:10 pmBrussels Bruxelles-National
Dec 2
BRU3:15 pmBrussels Bruxelles-National
34h 05m
1 stop
IAD7:20 pmWashington, D.C. Dulles Intl
$543
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Brussels that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 11/6

12:09 pm-2:30 pm

2 stops20h 21m

Brussels Bruxelles-National

Thu 11/13

10:20 am-5:15 pm

1 stop12h 55m

$480

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 11/6

12:09 pm-9:40 am

2 stops15h 31m

Brussels Bruxelles-National

Tue 11/11

8:30 pm-5:15 pm

1 stop26h 45m

$481

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 10/4

10:35 pm-11:00 am

1 stop30h 25m

Brussels Bruxelles-National

Wed 10/22

5:55 am-3:20 pm

1 stop15h 25m

$484

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sun 10/5

10:05 pm-3:20 pm

1 stop11h 15m

Brussels Bruxelles-National

Wed 10/22

10:55 am-7:59 pm

2 stops15h 04m

$490

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 10/15

12:09 pm-3:20 pm

2 stops21h 11m

Brussels Bruxelles-National

Wed 10/22

10:55 am-7:59 pm

2 stops15h 04m

$491

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 1/7

10:30 pm-11:00 am

1 stop30h 30m

Brussels Bruxelles-National

Tue 1/13

5:55 pm-9:00 pm

1 stop33h 05m

$512

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 10/28

10:15 pm-10:10 pm

1 stop18h 55m

Brussels Bruxelles-National

Tue 11/11

11:35 am-7:20 pm

1 stop37h 45m

$533

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 11/16

7:40 pm-10:20 pm

2 stops20h 40m

Charleroi Brussels

Tue 11/25

6:20 am-6:30 pm

2 stops18h 10m

$540

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 11/13

1:30 pm-10:10 pm

1 stop26h 40m

Brussels Bruxelles-National

Tue 12/2

3:15 pm-7:20 pm

1 stop34h 05m

$543

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 11/16

7:40 pm-10:20 pm

2 stops20h 40m

Charleroi Brussels

Tue 11/25

6:20 am-6:30 pm

2 stops18h 10m

$546

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Brussels from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Brussels?

In general, September is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $622. If you are unable to visit Brussels during the month of September, then departing from Washington, D.C. Dulles Intl Airport during the month August is also very affordable. Most momondo users find prices during this month for around $676.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. Dulles Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,051. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,247.

What is the cheapest time of day to depart on your flight to Brussels?

According to our data, the cheapest time of day to fly to Brussels is at noon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Brussels at noon for as low as $668. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,151.

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National for the best Washington, D.C. Dulles Intl - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $818 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. Dulles Intl Airport for as low as $659 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Brussels flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Brussels

1 airport
The fastest flight from Washington, D.C. Dulles Intl Airport to Brussels takes 7h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Brussels every day.
There is 1 airport near Brussels: Brussels Bruxelles-National (BRU)
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Brussels by plane?

    There are 3874.4 mi between Washington, D.C. Dulles Intl and Brussels. Typically, this will take 11h 15m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $410Free CancellationRating
7.4
1,492 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $441Free CancellationRating
7.0
545 reviews
Search Icelandair flights
TAP AIR PORTUGALPriceFrom $492Free CancellationRating
7.1
1,988 reviews
Search TAP AIR PORTUGAL flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
3,977 reviews
Search Turkish Airlines flights
British AirwaysPriceFrom $555Free CancellationRating
6.7
7,391 reviews
Search British Airways flights
Aer LingusPriceFrom $558Free CancellationRating
7.2
1,296 reviews
Search Aer Lingus flights
United AirlinesPriceFrom $601Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
361 reviews
Search Brussels Airlines flights
LufthansaPriceFrom $686Free CancellationRating
6.8
7,421 reviews
Search Lufthansa flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Brussels for you.

Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Brussels?

momondo helps you find the best flight between Washington, D.C. and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Brussels trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/23
Thu 10/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport